Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Perfect competition is a theoretical model with many buyers and sellers offering identical products. In this model, firms cannot influence prices and make zero long-term profit due to free entry and ...

Explore imperfect competition in economics, its characteristics, and how it contrasts with perfect competition. Learn about ...

In micro-economic textbooks, the main factor assumed to affect the quality of a market is the number of sellers. A single seller, termed a monopolist, is the worst because that seller has maximum ...